EZ-FLO 6 x 6 Inch (Duct Opening) White Air Vent Cover for Wall or Ceiling

4-way Air vent deflector features a duct opening which measures 6 inch x 6 inch, and can be used for wall or ceiling mount; the overall dimension measures 7-3/4 x 7-3/4 inches 5 adjustable smooth glide dampers and 16 louvers control the amount and direction of airflow for rattle-free quiet ventilation and optimized performance for heating and cooling systems